Ingredients:
- 1.5 lbs (680g) large shrimp, peeled and deveined
- 1 tablespoon (15ml) olive oil
- 1/2 teaspoon (2.5ml) salt
- 1/4 teaspoon (1.25ml) black pepper
- 1/2 cup (113g) unsalted butter, melted
- 1 small yellow onion, finely chopped (about 1/2 cup)
- 2 cloves garlic, minced
- 1/2 cup (50g) panko breadcrumbs
- 1/4 cup (25g) finely grated Parmesan cheese
- 1/4 cup (5g) chopped fresh parsley
- 2 tablespoons (30ml) mayonnaise
- 1 tablespoon (15ml) Dijon mustard
- 1 teaspoon (5ml) lemon zest
- 1/2 teaspoon (2.5ml) Old Bay seasoning
- 1/4 teaspoon (1.25ml) salt
- 1/8 teaspoon (0.625ml) black pepper
- 1 tablespoon (15g) unsalted butter
- 1 tablespoon (7.5g) all-purpose flour
- 1 cup (240ml) milk (whole or 2%)
- 1/4 cup (60ml) heavy cream
- 1/4 teaspoon (1.25ml) salt
- 1/8 teaspoon (0.625ml) black pepper
- Pinch of nutmeg
- 1/4 cup (28g) shredded Gruyere cheese
Instructions:
- Preheat oven to 375°F (190°C). Grease the baking dish.
- Toss the shrimp with olive oil, salt, and pepper. Set aside.
- Melt butter in a pan over medium heat. Sauté onion until softened, then add garlic and cook until fragrant (about 1 minute).
- In a large bowl, combine the sautéed onion/garlic mixture with panko, Parmesan, parsley, mayonnaise, Dijon mustard, lemon zest, Old Bay, salt, and pepper. Mix well.
- Stuff each shrimp with a generous spoonful of the stuffing mixture.
- Melt butter in the saucepan. Whisk in flour and cook for 1 minute to make a roux. Gradually whisk in milk and heavy cream until smooth. Simmer until thickened. Season with salt, pepper, and nutmeg. Stir in Gruyere (if using) until melted.
- Pour the creamy sauce into the prepared baking dish. Arrange the stuffed shrimp evenly over the sauce.
- Bake for 25-30 minutes, or until the shrimp are cooked through and the stuffing is golden brown and bubbly. This Creamy Dreamy Baked Stuffed Shrimp Casserole is ready to serve.